I have tested with kernel version 5.0-rc8 and the issue with connection speed is still there (see below)
wlo1 IEEE 802.11 ESSID:"XXXXXXXX-5G" Mode:Managed Frequency:5.66 GHz Access Point: 20:C0:47:FA:F6:40 Bit Rate=300 Mb/s Tx-Power=23 dBm Retry short limit:7 RTS thr=2347 B Fragment thr:off Power Management:on Link Quality=59/70 Signal level=-51 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:7 Missed beacon:0
I have tested with kernel version 5.0-rc8 and the issue with connection speed is still there (see below)
wlo1 IEEE 802.11 ESSID:"XXXXXXXX-5G"
Mode: Managed Frequency:5.66 GHz Access Point: 20:C0:47:FA:F6:40
Bit Rate=300 Mb/s Tx-Power=23 dBm
Retry short limit:7 RTS thr=2347 B Fragment thr:off
Power Management:on
Link Quality=59/70 Signal level=-51 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:7 Missed beacon:0